Home / 36,316.54-50,111.36-20,397.94

Finding the Fourth Proportional to 36,316.54, 50,111.36 and 20,397.94

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Solution

The fourth proportional to 36,316.54, 50,111.36 and 20,397.94 is: 28,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.54 : 50,111.36 = 20,397.94 : x
  2. Step 2: Convert to fraction form
    36,316.54/50,111.36 = 20,397.94/x
  3. Step 3: Cross multiply
    36,316.54x = 50,111.36 × 20,397.94
  4. Step 4: Simplify right side
    36,316.54x = 1,022,168,315.04
  5. Step 5: Solve for x
    x = 1,022,168,315.04/36,316.54
  6. Step 6: Final answer
    x = 28,146.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.